↑Jones, Brian Jay (2013). "Sam and Friends". Jim Henson: The Biography. New York: Ballantine Books. pp. 41–42. ISBN978-0-345-52611-3. It was really just a term we made up. For a long time I would tell people it was a combination of marionettes and puppets but, basically, it was really just a word that we coined. We have done very few things connected with marionettes.|access-date= requires |url= (help)